EP3354428A1 - Cutting machine with two hot wires - Google Patents

Cutting machine with two hot wires Download PDF

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Publication number
EP3354428A1
EP3354428A1 EP17207893.3A EP17207893A EP3354428A1 EP 3354428 A1 EP3354428 A1 EP 3354428A1 EP 17207893 A EP17207893 A EP 17207893A EP 3354428 A1 EP3354428 A1 EP 3354428A1
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EP
European Patent Office
Prior art keywords
frame
cutting
wire
hot
cutting machine
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Granted
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EP17207893.3A
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German (de)
French (fr)
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EP3354428B1 (en
Inventor
David ANNEQUIN
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Procarv
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Procarv
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B26F3/08—Severing by using heat with heated members
    • B26F3/12—Severing by using heat with heated members with heated wires

Definitions

  • the field of the invention is that of hot wire cutting machines used in particular on construction sites of buildings to cut polystyrene insulation panels.
  • a hot-wire cutting machine is known from the patent document DE202013005772 .
  • This hot-wire cutting machine comprises a frame for carrying a cutting board, a cutting-bar fixed to the frame and having two opposite parallel sides between which the cutting wire is stretched and a cable-and-pulley operating mechanism. interior of the arch to move the tensioned wire along a certain cutting direction perpendicular to the frame.
  • the hoop can be pivotally attached to the frame to make different bevel cuts.
  • the object of the invention is to improve such a hot-wire cutting machine to easily make more different cuts.
  • the subject of the invention is a hot-wire cutting machine comprising a frame which extends in a plane for flattening a panel to be cut, a cutting structure fixed to the frame and on which the wire is stretched.
  • cutter characterized in that the cutting structure is a four-sided frame between which are stretched two cross-cutting threads, and in that this frame is fixed inside the frame in two attachment points offset on a line which passes through the frame.
  • the hot double wire cutting machine comprises a frame 1 which extends in a plane to flatten a cutting board (not shown on the drawing).
  • figure 1 for example a polystyrene insulation panel for the insulation of buildings.
  • the frame 1 is here a tubular frame for example made of aluminum forming a rectangular frame which is mounted on a retractable base 2 in the form of easel adjustable in height.
  • the frame is in an inclined position for work on scaffold for example.
  • the frame can also be provided with suspension hooks 3 (only one being clearly visible on the figure 1 ) to be suspended for example from the guard of a basket.
  • a cutting structure 4 forming a frame, in particular a rectangular frame, to carry two cutting son 5,6 which intersect.
  • the frame of the cutting structure is fixed inside the frame in two attachment points P1 and P2 offset on a line L which passes through the frame.
  • the fixing points P1, P2 between the two opposite small sides 1A, 1B of the frame and the two opposite small sides 4A, 4B of the cutting structure are offset on a line L which passes between the two opposite large sides 1C, 1D of the frame and the two opposite large sides 4C, 4D of the cutting structure.
  • These two attachment points P1, P2 are preferably offset pivot points to allow the frame of the cutting structure to occupy different angular positions relative to the plane of the frame so as to make bevel cuts in the panel or to retract completely the cutting structure inside the chassis frame.
  • the offset of the two pivot points P1, P2 is a few centimeters, for example 3 cm, from the long side 4D of the frame of the cutting structure so that the second cutting wire 6 completely through the plane of the frame.
  • the short sides 4A, 4B of the frame of the cutting structure have a length of about 50 cm to provide a cutting depth of about 40 cm while the long sides 4C, 4D of the frame of the cutting structure can have a length of about 150 cm to obtain a cutting length of 135 cm.
  • the reference 8 designates a protractor of the angle of inclination of the angle 7 in the plane of the frame.
  • the angle 7 passes through the plane of the frame 4 of the cutting structure. It is sectioned opposite the line L offset of the pivot points P1, P2 to allow the passage of the second cutting wire 6 over the entire height of the frame 4 of the cutting structure.
  • the angle 7 is horizontal and the panel 9 extends horizontally along its great length in the angle 7.
  • the cutting wire 5 is moved from the front to the rear of the frame with the frame 4 of the cutting structure at 90 ° relative to the plane of the frame. Then the panel 9 is moved from right to left on the figure 2 while the cutting wire 5 is stationary in the cutting structure.
  • the cutting wire 6 is moved up and down. Then the panel is moved from right to left on the figure 2 while the cutting wire 6 remains stationary. Finally the cutting wire 6 is moved upwards, the panel being stationary on the frame 1.
  • the figure 3 illustrates yet another U-shaped cut 12 made obliquely in the panel 9 with the cutting wire 6.
  • the frame 4 of the cutting structure is inclined here at 45 ° with respect to the plane of the frame 1.
  • the cutting wire 6 is positioned here at half height in the frame 4.
  • the panel 9 is moved from left to right on the figure 3 . Then the cutting wire 6 is moved from the bottom to the top, the panel 9 remaining stationary on the frame 1. Then finally the panel 9 is moved from the right to the left on the figure 3 , the cutting wire 6 remaining stationary in the frame 4.
  • the cutting son 5 and 6 can be moved each with a slider such as 14 sliding on a slide bearing a millimeter mark.
  • the cutting wires 5 and 6 can be heated by an electric current flowing in a copper track 15 bonded inside the frame 4 which is profiled.
  • the electric current can be stored in a battery attached to the chassis.
  • the two cutting wires 5 and 6 intersect without contact between them. They move respectively in two parallel planes of the frame 4 separated by 1 cm between them for example.
  • the figure 5 illustrates the hot double wire cutting machine according to the invention in the folded position when the frame 4 of the cutting structure is retracted into the frame of the frame 1.
  • the cutting machine according to the invention is very compact.
  • This hot double wire cutting machine according to the invention is compact because the two cutting wires are movable in a single frame of the cutting structure.
  • the double hot wire cutting machine according to the invention can be manufactured at low cost in welded metal tubes for example.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Harvester Elements (AREA)

Abstract

Une machine de découpe à fil chaud comprend un châssis (1) qui s'étend dans un plan pour porter à plat un panneau à découper (9), une structure de découpe (4) fixée au châssis qui est un cadre à quatre côtés (4A,4B,4C,4D) entre lesquels sont tendus deux fils de coupe (5,6) qui se croisent, ce cadre étant fixé à l'intérieur du châssis en deux points de fixation (P1,P2) déportés sur une ligne (L) qui traverse le cadre.A hot-wire cutting machine comprises a frame (1) which extends in a plane to flatten a cutting board (9), a cutting structure (4) attached to the frame which is a four-sided frame ( 4A, 4B, 4C, 4D) between which are stretched two cutting threads (5, 6) which intersect, this frame being fixed inside the frame at two fixing points (P1, P2) offset on a line ( L) running through the frame.

Description

Domaine techniqueTechnical area

Le domaine de l'invention est celui des machines de découpe à fil chaud utilisées en particulier sur les chantiers de construction de bâtiments pour couper des panneaux d'isolation en polystyrène.The field of the invention is that of hot wire cutting machines used in particular on construction sites of buildings to cut polystyrene insulation panels.

Technique antérieurePrior art

Une machine de découpe à fil chaud est connue du document de brevet DE202013005772 .A hot-wire cutting machine is known from the patent document DE202013005772 .

Cette machine de découpe à fil chaud comprend un châssis pour porter un panneau à découper, un arceau de découpe fixé au châssis et présentant deux côtés opposés parallèles entre lesquels est tendu le fil de coupe et un mécanisme d'actionnement par câble et poulies à l'intérieur de l'arceau pour déplacer le fil tendu suivant une certaine direction de découpe perpendiculaire au châssis.This hot-wire cutting machine comprises a frame for carrying a cutting board, a cutting-bar fixed to the frame and having two opposite parallel sides between which the cutting wire is stretched and a cable-and-pulley operating mechanism. interior of the arch to move the tensioned wire along a certain cutting direction perpendicular to the frame.

L'arceau peut être fixé au châssis de manière pivotante pour réaliser différentes découpes en biseau.The hoop can be pivotally attached to the frame to make different bevel cuts.

Exposé de l'inventionPresentation of the invention

Le but de l'invention est d'améliorer une telle machine de découpe à fil chaud pour réaliser facilement plus de découpes différentes.The object of the invention is to improve such a hot-wire cutting machine to easily make more different cuts.

A cet effet, l'invention a pour objet une machine de découpe à fil chaud comprenant un châssis qui s'étend dans un plan pour porter à plat un panneau à découper, une structure de découpe fixée au châssis et sur laquelle est tendu le fil de coupe, caractérisée en ce que la structure de découpe est un cadre à quatre côtés entre lesquels sont tendus deux fils de coupe qui se croisent, et en ce que ce cadre est fixé à l'intérieur du châssis en deux points de fixation déportés sur une ligne qui traverse le cadre.For this purpose, the subject of the invention is a hot-wire cutting machine comprising a frame which extends in a plane for flattening a panel to be cut, a cutting structure fixed to the frame and on which the wire is stretched. cutter, characterized in that the cutting structure is a four-sided frame between which are stretched two cross-cutting threads, and in that this frame is fixed inside the frame in two attachment points offset on a line which passes through the frame.

La machine de découper à fil chaud selon l'invention peut présenter les particularités suivantes :

  • les points de fixation peuvent être des pivots déportés sur lequel le cadre est monté rotatif à l'intérieur du châssis ;
  • le cadre peut être un cadre rectangle avec deux petits côtés parallèles entre lesquels est tendu un premier fil de coupe qui s'étend parallèlement au plan du châssis et deux grands côtés parallèles entre lesquels est tendu un second fil de coupe qui s'étend à travers le plan du châssis ;
  • un mécanisme d'actionnement, par exemple à câbles et poulies, peut être prévu à l'intérieur du cadre pour déplacer lesdits premier et second fils de coupe selon deux directions de coupe orthogonales ;
  • le châssis peut comporter un piètement escamotable formant un chevalet ou encore des crochets de suspension.
The hot-wire cutting machine according to the invention may have the following particularities:
  • the fixing points may be remote pivots on which the frame is rotatably mounted inside the frame;
  • the frame can be a rectangle frame with two small parallel sides between which is stretched a first cutting wire which extends parallel to the plane of the frame and two large parallel sides between which is stretched a second cutting wire which extends through the plan of the chassis;
  • an actuating mechanism, for example with cables and pulleys, can be provided inside the frame for moving said first and second cutting wires in two orthogonal cutting directions;
  • the frame may comprise a retractable base forming an easel or suspension hooks.

Avec l'agencement selon l'invention, on peut facilement réaliser sans déposer le panneau du châssis, plusieurs découpes, notamment des découpes en forme de U, dans les trois dimensions (épaisseur, largeur, longueur) du panneau.With the arrangement according to the invention, it is possible to easily produce, without removing the panel of the frame, several cuts, in particular U-shaped cuts, in the three dimensions (thickness, width, length) of the panel.

Notamment, avec le second fil de coupe qui est tendu entre les deux grands côtés parallèles du cadre de la structure de découpe, on peut réaliser sur la longueur d'un panneau d'isolation en polystyrène de 250 cm de longueur par 120 cm de largeur, une découpe en U sur plus de 120 cm de longueur.In particular, with the second cutting wire which is stretched between the two large parallel sides of the frame of the cutting structure, it is possible to make along the length of a polystyrene insulation panel 250 cm long by 120 cm wide. , a U-shaped cutout over more than 120 cm in length.

Description sommaire des dessinsBrief description of the drawings

La présente invention sera mieux comprise et d'autres avantages apparaîtront à la lecture de la description détaillée d'un mode de réalisation pris à titre d'exemple nullement limitatif et illustré par les dessins annexés, dans lesquels :

  • la figure 1 est une vue schématique de la machine de découpe à double fil chaud selon l'invention ;
  • la figure 2 est une vue schématique de la machine de découpe selon l'invention avec un panneau découpé dans l'épaisseur et dans la largeur du panneau ;
  • la figure 3 est une vue schématique de la machine de découpe selon l'invention avec un panneau découpé en biais dans la longueur du panneau ;
  • la figure 4 illustre partiellement le mécanisme d'actionnement des deux fils chauds selon deux directions orthogonales ;
  • la figure 5 illustre la machine de découpe selon l'invention en position repliée.
The present invention will be better understood and other advantages will appear on reading the detailed description of an embodiment taken by way of non-limiting example and illustrated by the appended drawings, in which:
  • the figure 1 is a schematic view of the hot double wire cutting machine according to the invention;
  • the figure 2 is a schematic view of the cutting machine according to the invention with a panel cut in the thickness and in the width of the panel;
  • the figure 3 is a schematic view of the cutting machine according to the invention with a panel cut at an angle in the length of the panel;
  • the figure 4 partially illustrates the actuation mechanism of the two hot wires in two orthogonal directions;
  • the figure 5 illustrates the cutting machine according to the invention in the folded position.

Description des modes de réalisationDescription of the embodiments

Sur la figure 1, la machine de découpe à double fil chaud selon l'invention comprend un châssis 1 qui s'étend dans un plan pour porter à plat un panneau à découper (non représenté sur la figure 1), par exemple un panneau d'isolation en polystyrène pour l'isolation de bâtiments.On the figure 1 , the hot double wire cutting machine according to the invention comprises a frame 1 which extends in a plane to flatten a cutting board (not shown on the drawing). figure 1 ), for example a polystyrene insulation panel for the insulation of buildings.

Le châssis 1 est ici un châssis tubulaire par exemple en aluminium formant un cadre rectangulaire qui est monté sur un piètement escamotable 2 en forme de chevalet réglable en hauteur.The frame 1 is here a tubular frame for example made of aluminum forming a rectangular frame which is mounted on a retractable base 2 in the form of easel adjustable in height.

Sur la figure 1, le châssis est dans une position inclinée pour un travail sur échafaudage par exemple.On the figure 1 , the frame is in an inclined position for work on scaffold for example.

Le châssis peut également être muni de crochets de suspension 3 (un seul étant bien visible sur la figure 1) pour être suspendu par exemple au garde corps d'une nacelle.The frame can also be provided with suspension hooks 3 (only one being clearly visible on the figure 1 ) to be suspended for example from the guard of a basket.

Selon l'invention, à l'intérieur du châssis 1 est fixée une structure de découpe 4 formant un cadre, notamment un cadre rectangulaire, pour porter deux fils de découpe 5,6 qui se croisent.According to the invention, inside the frame 1 is fixed a cutting structure 4 forming a frame, in particular a rectangular frame, to carry two cutting son 5,6 which intersect.

Le cadre de la structure de découpe est fixé à l'intérieur du châssis en deux points de fixation P1 et P2 déportés sur une ligne L qui traverse le cadre.The frame of the cutting structure is fixed inside the frame in two attachment points P1 and P2 offset on a line L which passes through the frame.

Plus particulièrement et comme visible sur la figure 1, les points de fixation P1,P2 entre les deux petits côtés opposés 1A, 1B du châssis et les deux petits côtés opposés 4A,4B de la structure de découpe sont déportés sur une ligne L qui passe entre les deux grands côtés opposés 1C, 1D du châssis et les deux grands côtés opposés 4C,4D de la structure de découpe.More particularly and as visible on the figure 1 , the fixing points P1, P2 between the two opposite small sides 1A, 1B of the frame and the two opposite small sides 4A, 4B of the cutting structure are offset on a line L which passes between the two opposite large sides 1C, 1D of the frame and the two opposite large sides 4C, 4D of the cutting structure.

Ces deux points de fixation P1,P2 sont de préférence des points pivots déportés pour permettre au cadre de la structure de découpe d'occuper différentes positions angulaires par rapport au plan du châssis de façon à réaliser des coupes en biseau dans le panneau ou pour escamoter complètement la structure de découpe à l'intérieur du cadre du châssis.These two attachment points P1, P2 are preferably offset pivot points to allow the frame of the cutting structure to occupy different angular positions relative to the plane of the frame so as to make bevel cuts in the panel or to retract completely the cutting structure inside the chassis frame.

On a représenté sur la figure 1, le cadre rectangle 4 de la structure de découpe avec les deux petits côtés opposés parallèles 4A,4B entre lesquels est tendu le premier fil de coupe 5 qui s'étend parallèlement au plan du châssis et les deux grands côtés opposés parallèles 4C,4D entre lesquels est tendu le second fil de coupe 6 qui s'étend à travers le plan du châssis et qui croise le fil de coupe 5 ici à angle droit sans contact avec celui-ci.We have shown on the figure 1 , the rectangle frame 4 of the cutting structure with the two small parallel opposite sides 4A, 4B between which is stretched the first cutting wire 5 which extends parallel to the plane of the frame and the two large opposite sides parallel 4C, 4D between which is stretched the second cutting wire 6 which extends through the plane of the frame and which crosses the cutting wire 5 here at right angles without contact with it.

En pratique le déport des deux points pivot P1,P2 est de quelques centimètres, par exemple 3 cm, depuis le grand côté 4D du cadre de la structure de découpe de sorte que le second fil de coupe 6 traverse complètement le plan du châssis.In practice the offset of the two pivot points P1, P2 is a few centimeters, for example 3 cm, from the long side 4D of the frame of the cutting structure so that the second cutting wire 6 completely through the plane of the frame.

Les petits côtés 4A,4B du cadre de la structure de découpe ont une longueur d'environ 50 cm pour fournir une profondeur de coupe d'environ 40 cm tandis que les grands côtés 4C,4D du cadre de la structure de découpe peuvent avoir une longueur d'environ 150 cm pour obtenir une longueur de coupe de 135 cm.The short sides 4A, 4B of the frame of the cutting structure have a length of about 50 cm to provide a cutting depth of about 40 cm while the long sides 4C, 4D of the frame of the cutting structure can have a length of about 150 cm to obtain a cutting length of 135 cm.

La rotation du cadre 4 de la structure de découpe dans le cadre du châssis est symbolisée par la double flèche P sur la figure 1.The rotation of the frame 4 of the cutting structure in the chassis frame is symbolized by the double arrow P on the figure 1 .

On a également illustré sur la figure 1, une cornière 7 pour tenir en position horizontale ou inclinée le panneau à découper sur le châssis, cette cornière 7 étant montée inclinable dans le plan du châssis pour réaliser des découpes en biais.We also illustrated on the figure 1 , an angle 7 for holding in horizontal or inclined position the panel to be cut on the frame, this bracket 7 being mounted tilting in the plane of the frame to make cuts at an angle.

La référence 8 désigne un rapporteur de l'angle d'inclinaison de la cornière 7 dans le plan du châssis.The reference 8 designates a protractor of the angle of inclination of the angle 7 in the plane of the frame.

Comme visible sur la figure 1, la cornière 7 traverse le plan du cadre 4 de la structure de découpe. Elle est sectionnée face à la ligne L de déport des points pivots P1,P2 pour permettre le passage du second fil de coupe 6 sur toute la hauteur du cadre 4 de la structure de découpe.As visible on the figure 1 , the angle 7 passes through the plane of the frame 4 of the cutting structure. It is sectioned opposite the line L offset of the pivot points P1, P2 to allow the passage of the second cutting wire 6 over the entire height of the frame 4 of the cutting structure.

Sur la figure 2, on a illustré un panneau d'isolation en polystyrène 9 placé dans la machine de découpe à double fil chaud selon l'invention.On the figure 2 a polystyrene insulation board 9 is shown in the hot double wire cutting machine according to the invention.

Sur cette figure, la cornière 7 est à l'horizontal et le panneau 9 s'étend à l'horizontal sur sa grande longueur dans la cornière 7.In this figure, the angle 7 is horizontal and the panel 9 extends horizontally along its great length in the angle 7.

Sur la figure 2, on a illustré une rainure 10 qui a été réalisée sur la largeur du panneau avec le fil de coupe 5 tendu sensiblement verticalement.On the figure 2 there is illustrated a groove 10 which has been made across the width of the panel with the cutting wire 5 stretched substantially vertically.

Pour réaliser cette rainure 10, le fil de coupe 5 est déplacé de l'avant vers l'arrière du châssis avec le cadre 4 de la structure de découpe à 90° par rapport au plan du châssis. Ensuite le panneau 9 est déplacé de la droite vers la gauche sur la figure 2 tandis que le fil de coupe 5 est immobile dans la structure de coupe.To achieve this groove 10, the cutting wire 5 is moved from the front to the rear of the frame with the frame 4 of the cutting structure at 90 ° relative to the plane of the frame. Then the panel 9 is moved from right to left on the figure 2 while the cutting wire 5 is stationary in the cutting structure.

On a aussi illustré une entaille 11 en forme de U qui a été réalisée sur la longueur du panneau avec le fil de coupe 6 tendu sensiblement horizontalement.There is also illustrated a U-shaped cut 11 which has been made along the length of the panel with the cutting wire 6 stretched substantially horizontally.

Pour réaliser cette entaille 11, le fil de coupe 6 est déplacé de haut en bas. Ensuite le panneau est déplacé de la droite vers la gauche sur la figure 2 tandis que le fil de coupe 6 reste immobile. Enfin le fil de coupe 6 est déplacé de bas en haut, le panneau étant immobile sur le châssis 1.To make this notch 11, the cutting wire 6 is moved up and down. Then the panel is moved from right to left on the figure 2 while the cutting wire 6 remains stationary. Finally the cutting wire 6 is moved upwards, the panel being stationary on the frame 1.

La figure 3 illustre encore une autre entaille 12 en forme de U réalisée en biais dans le panneau 9 avec le fil de coupe 6.The figure 3 illustrates yet another U-shaped cut 12 made obliquely in the panel 9 with the cutting wire 6.

Le cadre 4 de la structure de découpe est incliné ici à 45° par rapport au plan du châssis 1.The frame 4 of the cutting structure is inclined here at 45 ° with respect to the plane of the frame 1.

Le fil de coupe 6 est positionné ici à mi hauteur dans le cadre 4.The cutting wire 6 is positioned here at half height in the frame 4.

Le panneau 9 est déplacé de la gauche vers la droite sur la figure 3. Puis le fil de coupe 6 est déplacé du bas vers le haut, le panneau 9 restant immobile sur le châssis 1. Puis enfin le panneau 9 est déplacé de la droite vers la gauche sur la figure 3, le fil de coupe 6 restant immobile dans le cadre 4.The panel 9 is moved from left to right on the figure 3 . Then the cutting wire 6 is moved from the bottom to the top, the panel 9 remaining stationary on the frame 1. Then finally the panel 9 is moved from the right to the left on the figure 3 , the cutting wire 6 remaining stationary in the frame 4.

Sur la figure 4, on a illustré un mécanisme à câbles 12 et poulies 13 pour déplacer les fils de coupe 5 et 6 qui se croisent dans le cadre 4 de la structure de découpe.On the figure 4 , there is illustrated a cable mechanism 12 and pulleys 13 for moving the cutting son 5 and 6 which intersect in the frame 4 of the cutting structure.

Les fils de coupe 5 et 6 peuvent être déplacés chacun à l'aide d'un curseur tel que 14 coulissant sur une glissière portant un repère millimétrique.The cutting son 5 and 6 can be moved each with a slider such as 14 sliding on a slide bearing a millimeter mark.

Les fils de coupe 5 et 6 peuvent être chauffés par un courant électrique transitant dans une piste 15 en cuivre collée à l'intérieur du cadre 4 qui est profilé.The cutting wires 5 and 6 can be heated by an electric current flowing in a copper track 15 bonded inside the frame 4 which is profiled.

Le courant électrique peut être stocké dans une batterie fixée au châssis.The electric current can be stored in a battery attached to the chassis.

Les deux fils de coupe 5 et 6 se croisent sans contact entre eux. Ils se déplacent respectivement dans deux plans parallèles du cadre 4 séparés de 1 cm entre eux par exemple.The two cutting wires 5 and 6 intersect without contact between them. They move respectively in two parallel planes of the frame 4 separated by 1 cm between them for example.

La figure 5 illustre la machine de découpe à double fil chaud selon l'invention en position repliée quand le cadre 4 de la structure de découpe est escamoté dans le cadre du châssis 1.The figure 5 illustrates the hot double wire cutting machine according to the invention in the folded position when the frame 4 of the cutting structure is retracted into the frame of the frame 1.

Dans cette position repliée, la machine de découpe selon l'invention est très compacte.In this folded position, the cutting machine according to the invention is very compact.

Elle peut être suspendue à la verticale au garde corps d'une nacelle de faible profondeur.It can be suspended vertically to the bodyguard of a shallow gondola.

Cette machine de découpe à double fil chaud selon l'invention est compacte du fait que les deux fils de coupe sont mobiles dans un seul cadre de la structure de découpe. La machine de découpe à double fil chaud selon l'invention peut être fabriquée à faible coût en tubes métalliques soudés par exemple.This hot double wire cutting machine according to the invention is compact because the two cutting wires are movable in a single frame of the cutting structure. The double hot wire cutting machine according to the invention can be manufactured at low cost in welded metal tubes for example.

Claims (5)

Une machine de découpe à fil chaud comprenant un châssis (1) qui s'étend dans un plan pour porter à plat un panneau à découper (9), une structure de découpe (4) fixée au châssis et sur laquelle est tendu le fil de coupe, caractérisée en ce que la structure de découpe est un cadre à quatre côtés (4A,4B,4C,4D) entre lesquels sont tendus deux fils de coupe (5,6) qui se croisent, et en ce que ce cadre est fixé à l'intérieur du châssis en deux points de fixation (P1,P2) déportés sur une ligne (L) qui traverse le cadre.A hot-wire cutting machine comprising a frame (1) which extends in a plane to flatten a cutting board (9), a cutting structure (4) fixed to the frame and on which is stretched the wire of cutter, characterized in that the cutting structure is a four-sided frame (4A, 4B, 4C, 4D) between which are stretched two cutting threads (5, 6) which intersect, and in that this frame is fixed inside the frame in two fixing points (P1, P2) offset on a line (L) which passes through the frame. La machine de découpe à fil chaud selon la revendication 1, caractérisée en ce que les points de fixation (P1,P2) sont des pivots déportés sur lequel le cadre est monté rotatif à l'intérieur du châssis.The hot-wire cutting machine according to claim 1, characterized in that the attachment points (P1, P2) are offset pivots on which the frame is rotatably mounted within the frame. La machine de découpe à fil chaud selon l'une des revendications précédentes, caractérisée en ce que le cadre (4) est un cadre rectangle avec deux petits côtés parallèles entre lesquels est tendu un premier fil de coupe (5) qui s'étend parallèlement au plan du châssis et deux grands côtés parallèles entre lesquels est tendu un second fil de coupe (6) qui s'étend à travers le plan du châssis.The hot-wire cutting machine according to one of the preceding claims, characterized in that the frame (4) is a rectangular frame with two small parallel sides between which is stretched a first cutting wire (5) which extends in parallel. in the plane of the frame and two large parallel sides between which is stretched a second cutting wire (6) which extends through the plane of the frame. La machine de découpe à fil chaud selon la revendication 3, caractérisée en ce qu'elle comporte un mécanisme d'actionnement à l'intérieur du cadre (4) pour déplacer lesdits premier et second fils de coupe (5,6) selon deux directions de coupe orthogonales.The hot-wire cutting machine according to claim 3, characterized in that it comprises an actuating mechanism inside the frame (4) for moving said first and second cutting wires (5, 6) in two directions Orthogonal cutting. La machine de découpe à fil chaud selon l'une des revendications précédentes, caractérisée en ce que le châssis comporte un piètement escamotable (2) formant un chevalet ou encore des crochets de suspension (3).The hot-wire cutting machine according to one of the preceding claims, characterized in that the frame comprises a retractable base (2) forming an easel or suspension hooks (3).
EP17207893.3A 2016-12-29 2017-12-18 Cutting machine with two hot wires Active EP3354428B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1663517A FR3061447B1 (en) 2016-12-29 2016-12-29 HOT DOUBLE-WIRE CUTTING MACHINE

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Publication Number Publication Date
EP3354428A1 true EP3354428A1 (en) 2018-08-01
EP3354428B1 EP3354428B1 (en) 2019-06-12

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US (1) US20180186026A1 (en)
EP (1) EP3354428B1 (en)
CN (1) CN108247751A (en)
AU (1) AU2017279642B2 (en)
CA (1) CA2989544C (en)
FR (1) FR3061447B1 (en)
RU (1) RU2694302C2 (en)

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CN117863267B (en) * 2024-03-11 2024-05-07 四川腾创汇鑫新材料科技有限公司 Basalt fiber composite board local hot cutting integrated device and method

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Also Published As

Publication number Publication date
EP3354428B1 (en) 2019-06-12
CN108247751A (en) 2018-07-06
RU2017144304A (en) 2019-06-18
RU2694302C2 (en) 2019-07-11
RU2017144304A3 (en) 2019-06-18
AU2017279642B2 (en) 2019-02-21
FR3061447A1 (en) 2018-07-06
AU2017279642A1 (en) 2018-07-19
CA2989544C (en) 2019-07-23
FR3061447B1 (en) 2019-05-24
US20180186026A1 (en) 2018-07-05
CA2989544A1 (en) 2018-06-29

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